Finding the Fourth Proportional to 124,890.68, 187,468.06 and 122,070.26
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Solution
The fourth proportional to 124,890.68, 187,468.06 and 122,070.26 is: 183,234.45
Step by Step Solution
- Step 1: Write the proportion equation
124,890.68 : 187,468.06 = 122,070.26 : x - Step 2: Convert to fraction form
124,890.68/187,468.06 = 122,070.26/x - Step 3: Cross multiply
124,890.68x = 187,468.06 × 122,070.26 - Step 4: Simplify right side
124,890.68x = 22,884,274,825.90 - Step 5: Solve for x
x = 22,884,274,825.90/124,890.68 - Step 6: Final answer
x = 183,234.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.